package org.skyfree.ghyll.tcard;

import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import com.tools.logging.PluginLogManager;

/**
 * The activator class controls the plug-in life cycle
 */
public class Activator extends AbstractUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.skyfree.ghyll.tcard";

	// The shared instance
	private static Activator plugin;
	private static final String LOG_PROPERTIES_FILE = "logger.properties";
	
	private PluginLogManager logManager = null;
	
	/**
	 * The constructor
	 */
	public Activator() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
		this.configure();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 * 
	 * @return the shared instance
	 */
	public static Activator getDefault() {
		return plugin;
	}

	/**
	 * Returns an image descriptor for the image file at the given plug-in
	 * relative path
	 * 
	 * @param path
	 *            the path
	 * @return the image descriptor
	 */
	public static ImageDescriptor getImageDescriptor(String path) {
		return imageDescriptorFromPlugin(PLUGIN_ID, path);
	}

	private void configure() {

		try {
			URL url = getBundle().getEntry("/" + LOG_PROPERTIES_FILE);
			InputStream propertiesInputStream = url.openStream();
			if (propertiesInputStream != null) {
				Properties props = new Properties();
				props.load(propertiesInputStream);
				propertiesInputStream.close();
				this.logManager = new PluginLogManager(this.getBundle(), props);
			}
		} catch (Exception e) {
			String message = "Error while initializing log properties."
					+ e.getMessage();
			IStatus status = new Status(IStatus.ERROR, getDefault().getBundle()
					.getSymbolicName(), IStatus.ERROR, message, e);
			getLog().log(status);
			throw new RuntimeException(
					"Error while initializing log properties.", e);
		}
	}
	
	public static PluginLogManager getLogManager() {
		return plugin.logManager; 
	}
}
